Harmony vacuum pump
Active volume management
Secure prosthesis support
The Harmony is a modern closure system. It ensures that the leg prosthesis is securely connected to the residual limb.
Active vacuum systems, such as the Harmony, pump out virtually all the air between the liner and socket, thereby regulating the vacuum in a defined range. The system is individually adapted to the needs and activity level of the respective user. In addition to a secure connection between the socket and prosthesis, the system stabilises the residual limb volume. High adhesion also improves control of the prosthesis.
The Harmony system is available as the mechanical Harmony P3 pump, which regulates the vacuum at every step according to the stride rate and load using a function ring. It is suitable for transtibial amputees. The electronic Harmony E2 pump permanently regulates the vacuum in cycles according to the individual adjustment. It is suitable for both transtibial and transfemoral fittings.
Visual contact is not necessary to control the vacuum. The setting can be felt through trousers.
In automatic mode, the system automatically adapts the vacuum to the activity level.
The vacuum can be individually chosen in 4 manual levels from "comfortable" to "high adhesion".
Thanks to the compact design, the Harmony P3 is slim and lightweight.
The airflow can be inverted using reverse mode for fast pressure relief, to flush the pump or to put on the prosthesis.
The elastomer ring generates a vacuum, ensuring vertical shock absorption and enabling natural torsion.
The Harmony E2 is waterproof down to a depth of 3 metres. Splashed water and rain are unproblematic and even swimming is possible.
Benefits at a glance
The Harmony keeps the prosthesis securely in place. The residual limb, liner and socket form a unit and you gain control thanks to full contact with the prosthesis. You feel immediately when your prosthetic foot touches the ground, which makes walking safer and more controlled for you.
You know that the volume of your residual limb can change in the course of the day. The Harmony prevents these volume fluctuations and your prosthesis is always securely seated.
Small, lightweight, quiet
The electronic Harmony E2 pump is small, lightweight and very quiet, even during a pumping cycle. What's more, the vacuum can be maintained even when you disconnect the pump in order to charge it.
Integrated shock absorption.
With the mechanical Harmony P3 pump, the function ring provides comfortable shock absorption – at every step you take. It permits natural rotation movements that occur automatically when you walk, while forces that act on the residual limb while walking are significantly reduced.
The Triton Harmony carbon foot combines the high functionality of the Triton feet with the Harmony technology: numerous users are convinced by a smooth rollover, outstanding energy return that conserves energy while walking and safety even on rough terrain, combined with an active vacuum thanks to Harmony.
Your prosthetist adjusts the mechanical Harmony pump to your individual requirements, and then the vacuum is regulated automatically with every step you take. You can individually adjust the electronic Harmony pump with the rotary switch.
In principle, the mechanical version of the Harmony P3 is very well suited for transtibial amputees, while the Harmony E2 is suitable for both transtibial and transfemoral amputees.
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